add a pool insert function. move RenderEnt to use handles

2 files changed, 13 insertions, 1 deletions

diff --git a/src/std/mem.c b/src/std/mem.c
index 4a4454a..a537330 100644
--- a/src/std/mem.c
+++ b/src/std/mem.c
@@ -126,3 +126,10 @@ void void_pool_dealloc(void_pool* pool, u32 raw_handle) {
 
   pool->count--;
 }
+
+u32 void_pool_insert(void_pool* pool, void* item) {
+  u32 raw_handle;
+  void* item_dest = void_pool_alloc(pool, &raw_handle);
+  memcpy(item_dest, item, pool->entry_size);
+  return raw_handle;
+}
\ No newline at end of file
diff --git a/src/std/mem.h b/src/std/mem.h
index c9346cc..56c1230 100644
--- a/src/std/mem.h
+++ b/src/std/mem.h
@@ -66,6 +66,7 @@ bool void_pool_is_full(void_pool* pool);
 void* void_pool_get(void_pool* pool, u32 raw_handle);
 void* void_pool_alloc(void_pool* pool, u32* out_raw_handle);
 void void_pool_dealloc(void_pool* pool, u32 raw_handle);
+u32 void_pool_insert(void_pool* pool, void* item);
 // TODO: fn to dealloc from the pointer that was handed out
 
 // TODO: macro that lets us specialise
@@ -88,4 +89,8 @@ void void_pool_dealloc(void_pool* pool, u32 raw_handle);
   }                                                                                 \
   static inline void Name##_pool_dealloc(Name##_pool* pool, Name##Handle handle) {  \
     void_pool_dealloc(&pool->inner, handle.raw);                                    \
-  }\
+  }                                                                                 \
+  static Name##Handle Name##_pool_insert(Name##_pool* pool, T* item) {              \
+    u32 raw_handle = void_pool_insert(pool, item);                                  \
+    return (Name##Handle){ .raw = raw_handle };                                     \
+  }